French Open 2026 Final: Sindhu Faces a 0-10 History — and the Empty Column That Will Decide It

73 minutes. That is how long P. V. Sindhu spent on court in the French Open 2026 women's singles semi-final — 21-10, 20-22, 21-16, per the tournament's published result sheet. How long An Se Young's semi-final lasted is not recorded on any sheet that reached me. Twenty-four hours before the final, scheduled for 11:00 local in Paris on Sunday, 25 October 2026 at Arena Grand Paris, that asymmetry is my first data point — and it is missing from the preview lists that have already written An Se Young in as the clear favourite. I start every match with the empty row. In Glasgow in 2026 I watched Sindhu and Nozomi Okuhara play 110 minutes with a stopwatch and a paper grid, then hand-coded all 158 rallies. It took nine nights. The finding: from 15-15 in the third game, Sindhu won only four of the fourteen rallies that ran past eight shots. The pattern was not in the winners. It was in the pauses. That sheet changed my habit — every piece now carries a methods note at the top: what n is, what the definitions are, and what was never logged. So the n is stated here. This will be the eleventh meeting; An Se Young has won all ten, including both this season in straight games. The Korean is 24 and ranked World No. 1, with six titles from seven tournaments this season and no defeat since losing the All England final to Wang Zhiyi in March. Sindhu is 33; the 179-centimetre reach and high contact point remain her real asset, the Japan Open title came in July, and this is her second Super 750 final of the year. The spreadsheet looks calm, which is how I know the 0-10 is not an aggregate — it is a personal history. It is tempting to read this matchup as a skills gap. It is a cost-transfer problem. Sindhu's attack lives on short rallies; An Se Young's retrieval deliberately lengthens them. Every extra shot in a rally shifts expected value toward the player with the lower error rate. Best-of-three, point-on-every-rally, must-lead-by-two: the format punishes error variance more than it rewards peak shot quality. The 10-0 record looks like a consequence of that rule, not a miracle. I read the semi-final as a volatility fingerprint: a 21-10 opening game, a 20-22 dip in the middle, six straight points to close. That profile says the peak level is still available, but not holdable beyond sixty minutes. The n here is one match; I will call it a case study, not a trend. And one more line: 73 minutes against a lower-ranked opponent, one day before a final, is a negative fatigue differential — An Se Young's cost is unstated, which is a gap in information, not a claim that she is fresh. The advice to draw inspiration from Wang Zhiyi keeps being repeated. I do not count it as a plan. No mechanism is named — no serve pattern, no length control, no defensive shape. Its predictive value is close to zero. I remember waiting nineteen days for a complete shot-quality model after 2026 while a rival desk published first. The lesson was blunt: ship version one with a visible changelog, do not wait for version three. This piece is version one, with its confidence level declared. Now the part where the easiest conclusion weakens. The 0-10 is a base rate, not a simulation. Ten matches span years, and both meetings this season went in straight games, so the structure of the defeats looks stable. But in a single match a base rate is not a forecast; it only sets the opening probability. The one number arguing against it is that 21-10 first game — and that is n=1. My real doubt is not about the scarcity of data but about its custody. In the previews circulating I counted twenty-six claims; twenty-four carry no named source. None cites a BWF ranking, none carries rally-length data, none mentions the draw or the field. The season tallies do not reconcile — six titles from seven tournaments in one line, seven titles listed separately after the March loss in another. One article names the venue three different ways. That is evidence of carelessness, not institutional neglect. Not recorded and did not happen are different things: rally-length data sits in the BWF match archive, and nobody asked for it. An absence ledger is still a ledger, but you have to name who holds the missing row. And one word I have banned from my own headlines: upset. When an Indian player beats a top seed, that is a base-rate event, not a surprise — we simply never started counting the base rate. On Sunday my notepad will carry four columns: rally length, Sindhu's third and fourth shots, the depth of An Se Young's retrieval, and the interval between points. If Sindhu keeps the average rally under six shots in the first fifteen minutes, she cashes her only genuine edge — reach and a steep angle — before the cost curve climbs. Past eight, the format starts working for the retriever. The question is not who wins. It is whether on Monday we argue about rally length, or write about temperament again. Methods note: n=1 (Sindhu's semi-final); head-to-head from the BWF match record; season tallies flagged where they do not reconcile with public sources. No official smash-speed, rally-length or net-win-rate data has been published for this final, and what is absent has not been filled with estimates.